
# def add(x, y, debug=False):
#     if debug:
#         print(f'x = {x}, y = {y}')
#     return x + y
#
# # result = add(10, 20)
# result = add(10, 20, True) # 想调试，手动传参
# print(result)

def test(x, y):
    print(f'x={x}')
    print(f'y={y}')

test(x=10, y=20)
test(y=100, x=200)


